perf: Improve code compatibility

open-mmlab · Feb 3, 2023 · 7e54917 · 7e54917
1 parent bd56cb0
commit 7e54917
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/packages/lb-components/src/views/MainView/sidebar/SwitchAttributeList/index.tsx b/packages/lb-components/src/views/MainView/sidebar/SwitchAttributeList/index.tsx
@@ -34,7 +34,7 @@ const SwitchAttributeList: React.FC<IProps> = (props) => {
       });
     }
     return () => {
-      toolInstance.unbindAll('changeAttributeSidebar');
+      toolInstance?.unbindAll('changeAttributeSidebar');
     };
   }, [toolInstance, listRef]);